GMC Truck Forum banner

1 - 4 of 4 Posts

·
Registered
Joined
·
8 Posts
Discussion Starter #1
I've looked and I can't find the answer but I may just be blind. What is the size of the Body Mount Bolts on a 2011 GMC Sierra. Looking to make sure I have the correct tools for install of step rails....Thanks Jon
 

·
Friendly Funeral Director
Joined
·
529 Posts
21mm if I remember
 

·
Friendly Funeral Director
Joined
·
529 Posts
1 - 4 of 4 Posts
Top